19878613196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{48779}}^1$

素因数の和:49274

約数の個数: 48

約数和(自身を含む): 39754139040

約数和(自身を除く): 19875525844

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 461, 884, 922, 1844, 5993, 7837, 11986, 15674, 23972, 31348, 48779, 97558, 101881, 195116, 203762, 407524, 634127, 829243, 1268254, 1658486, 2536508, 3316972, 10780159, 21560318, 22487119, 43120636, 44974238, 89948476, 292332547, 382281023, 584665094, 764562046, 1169330188, 1529124092, 4969653299, 9939306598, 19878613196]

約数ペア:

[(1, 19878613196), (2, 9939306598), (4, 4969653299), (13, 1529124092), (17, 1169330188), (26, 764562046), (34, 584665094), (52, 382281023), (68, 292332547), (221, 89948476), (442, 44974238), (461, 43120636), (884, 22487119), (922, 21560318), (1844, 10780159), (5993, 3316972), (7837, 2536508), (11986, 1658486), (15674, 1268254), (23972, 829243), (31348, 634127), (48779, 407524), (97558, 203762), (101881, 195116)]